| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F125 | Multi-function switch |
| J60 | Automatic gearbox relay |
| T2ab | 2-pin connector, grey, in engine compartment, right |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10v | 10-pin connector, brown, right connector point, A pillar |
| 11 | Earth point, in battery box |
| A17 | Connection (61), in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| * | Only models with automatic gearbox |
| ** | Only models with manual gearbox |
| J192 | Multi-point injection control unit |
| N | Ignition coil |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N83 | Injector, cylinder 5 |
| N84 | Injector, cylinder 6 |
| N128 | Ignition coil 2 |
| N158 | Ignition coil 3 |
| P | Spark plug connector |
| Q | Spark plugs |
| T3k | 3-pin connector, white, in engine compartment left |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| D14 | Connection (ignition coil - control unit), in front right wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| D22 | Connection (via fuse 234), in front right wiring harness |
| E15 | Heated rear window switch |
| G61 | Knock sensor I |
| G66 | Knock sensor II |
| J17 | Fuel pump relay |
| J192 | Multi-point injection control unit |
| N122 | Final output stage |
| T3n | 3-pin connector, blue, in engine compartment, left |
| T3o | 3-pin connector, blue, in engine compartment |
| T3p | 3-pin connector, green, in engine compartment, left |
| T4g | 4-pin connector, black, on ignition coil |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| 17 | Earth point, on intake manifold |
| A64 | Connection (rpm boost), in dash panel wiring harness |
| * | Does not apply to models with air conditioner |
| E87 | Control and display unit for air conditioner/Climatronic |
| F60 | Idling switch |
| G40 | Hall sender |
| G42 | Intake air temperature sender |
| G69 | Throttle valve potentiometer |
| J189 | Auto-check system |
| J192 | Multi-point injection control unit |
| J217 | Automatic gearbox control unit |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10v | 10-pin connector, brown, right connector point, A pillar |
| T10x | 10-pin connector, blue, right connector point, A pillar |
| T10y | 10-pin connector, blue, connector point, electronics box, plenum chamber |
| T20 | 20-pin connector, black, on dash panel insert |
| 17 | Earth point, on intake manifold |
| 124 | Earth connection, in engine compartment right wiring harness |
| * | Only models with automatic gearbox |
| ** | Only models with auto-check system |
| *** | Only models with air conditioner |
| G2 | Coolant temperature sender |
| G4 | Firing point sender |
| G28 | Engine speed sender |
| G62 | Coolant temperature sender |
| J104 | ABS with EDL control unit |
| J192 | Multi-point injection control unit |
| J362 | Immobilizer control unit |
| N55 | ABS hydraulic unit |
| N71 | Idling stabilization valve |
| T3l | 3-pin connector, black, in engine compartment, left |
| T3m | 3-pin connector, grey, in engine compartment, left |
| T6g | 6-pin connector, grey, right connector point, A pillar |
| T10b | 10-pin connector, orange, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| * | See applicable Current Flow Diagram: ABS 5.3 |
| G39 | Lambda probe 1 |
| G108 | Lambda probe 2 |
| J192 | Multi-point injection control unit |
| N80 | Activated charcoal filter system solenoid valve 1 |
| T4y | 4-pin connector, black, in engine compartment, right |
| T4z | 4-pin connector, black, in engine compartment, left |
| T6z | 6-pin connector, red, connector point, electronics box, plenum chamber |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| Z19 | Lambda probe heater 1 |
| Z28 | Lambda probe 2 heater |
| 83 | Earth connection -1-, in front right wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| D23 | Connection (via fuse 229), in front right wiring harness |
| F1 | Oil pressure switch |
| F66 | Coolant shortage indicator switch |
| G | Fuel gauge sender |
| G6 | Fuel pump |
| G68 | Vehicle speed sender |
| J218 | Combi-processor in dash panel insert |
| K2 | Alternator warning lamp |
| T4 | 4-pin connector, black, centre in engine compartment |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T26 | 26-pin connector, yellow, on dash panel insert |
| T26a | 26-pin connector, blue, on dash panel insert |
| 32 | Earth point, behind dash panel, left |
| 83 | Earth connection -1-, in front right wiring harness |
| 86 | Earth connection -1-, in rear wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A50 | Positive (+) connection (30as), in dash panel wiring harness |
| A74 | Positive (+) connection (15a, fuse 231), in dash panel wiring harness |
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